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BS 970 (Part 1) 080M50 vs AISI 1050

Strong Match — 96% match based on chemical composition and mechanical property overlap.

BS 970 (Part 1) 080M50 (BS 970 (Part 1):1983) and AISI 1050 are both steel grades. Both fall under the Carbon Steel category. BS 970 (Part 1) 080M50 is typically used for through hardening steel for mechanical and allied engineering purposes; supplied in the hardened and tempered conditions of table 6., while AISI 1050 is commonly used for used for gears, shafts, hand tools, springs, agricultural implements, and machine components.. BS 970 (Part 1) 080M50 is defined under British Standards (BS), originating from United Kingdom, while AISI 1050 is defined under AISI, originating from United States.

As per chemical composition, BS 970 (Part 1) 080M50 vs AISI 1050 is a 96% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a strong match overall at 96%.

Frequently Compared With BS 970 (Part 1) 080M50:
BS 970 (Part 1) 040A10 BS 970 (Part 1) 040A12 BS 970 (Part 1) 045A10 BS 970 (Part 1) 045A10 BS 970 (Part 3) 045A10 BS 970 (Part 1) 045M10 BS 970 (Part 1) 045M10 BS 970 (Part 3) 045M10 BS 970 (Part 1) 055M15 BS 970 (Part 1) 060A32 BS 970 (Part 1) 040A04 BS 970 (Part 1) 060A40
Match Breakdown
CHEMISTRY MATCH
96%
MECHANICAL MATCH
No shared data
OVERALL
96%
Specifications
Property BS 970 (Part 1) 080M50 AISI 1050
Standard BS 970 (Part 1):1983 AISI
Category Carbon Steel Carbon Steel
C (%) 0.45-0.55 0.48-0.55
Mn (%) 0.60-1.00 0.60-0.90
P (%) <=0.050 ≤0.030
S (%) <=0.050 0.050 max
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property BS 970 (Part 1) 080M50 AISI 1050
Condition Not specified Hot Rolled
Tensile Strength Not specified 590-660 MPa
Yield Strength Not specified 310-380 MPa
Elongation Not specified 15-20%
Hardness Not specified 170-197 HB
Typical Applications
BS 970 (Part 1) 080M50
Through hardening steel for mechanical and allied engineering purposes; supplied in the hardened and tempered conditions of Table 6.
AISI 1050
Used for gears, shafts, hand tools, springs, agricultural implements, and machine components.
Can BS 970 (Part 1) 080M50 Be Substituted With AISI 1050?
BS 970 (Part 1) 080M50 and AISI 1050 overlap closely enough on chemistry and mechanical properties that AISI 1050 is often considered as a substitute for BS 970 (Part 1) 080M50 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
Forms & Sizes Available on M-EX
BS 970 (Part 1) 080M50
No active listings currently.
AISI 1050
Round Bar → (2 listings)
Diameter: 40–40 mm (1.57–1.57 in)
Length: 5300–7000 mm (208.66–275.59 in)
On M-EX Right Now
BS 970 (Part 1) 080M50
0 active listings and RFQs →
AISI 1050
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between BS 970 (Part 1) 080M50 and AISI 1050?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can BS 970 (Part 1) 080M50 be substituted with AISI 1050?
BS 970 (Part 1) 080M50 and AISI 1050 overlap closely enough on chemistry and mechanical properties that AISI 1050 is often considered as a substitute for BS 970 (Part 1) 080M50 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.